From: Alain Volmat <alain.volmat@foss.st.com>
To: <wsa@kernel.org>, <robh+dt@kernel.org>
Cc: <mark.rutland@arm.com>, <pierre-yves.mordret@foss.st.com>,
<mcoquelin.stm32@gmail.com>, <alexandre.torgue@foss.st.com>,
<linux-i2c@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <fabrice.gasnier@foss.st.com>,
<alain.volmat@foss.st.com>
Subject: [PATCH v4 1/2] i2c: add binding to mark a bus as supporting SMBus-Alert
Date: Wed, 5 May 2021 15:14:38 +0200 [thread overview]
Message-ID: <1620220479-2647-2-git-send-email-alain.volmat@foss.st.com> (raw)
In-Reply-To: <1620220479-2647-1-git-send-email-alain.volmat@foss.st.com>
Since SMBus-Alert is an optional feature of SMBUS which
requires an additional pin, the smbus binding cannot be
used to indicate its support.
Add an additional smbus-alert binding specific for it and
update the description text of smbus to avoid mentioning
SMBus-Alert
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
---
Documentation/devicetree/bindings/i2c/i2c.txt | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt
index df41f72afc87..b864916e087f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c.txt
@@ -89,8 +89,11 @@ wants to support one of the below features, it should adapt these bindings.
- smbus
states that additional SMBus restrictions and features apply to this bus.
- Examples of features are SMBusHostNotify and SMBusAlert. Examples of
- restrictions are more reserved addresses and timeout definitions.
+ An example of feature is SMBusHostNotify. Examples of restrictions are
+ more reserved addresses and timeout definitions.
+
+- smbus-alert
+ states that the optional SMBus-Alert feature apply to this bus.
Required properties (per child device)
--------------------------------------
--
2.7.4
next prev parent reply other threads:[~2021-05-05 13:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-05 13:14 [PATCH v4 0/2] i2c: stm32f7: add SMBus-Alert support Alain Volmat
2021-05-05 13:14 ` Alain Volmat [this message]
2021-05-07 0:55 ` [PATCH v4 1/2] i2c: add binding to mark a bus as supporting SMBus-Alert Rob Herring
2021-05-25 19:47 ` Wolfram Sang
2021-05-25 19:53 ` Wolfram Sang
2021-05-05 13:14 ` [PATCH v4 2/2] i2c: stm32f7: add SMBus-Alert support Alain Volmat
2021-05-10 8:02 ` Pierre Yves MORDRET
2021-05-25 19:53 ` Wolfram Sang
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